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#!/bin/bash
# pbuilder -- personal Debian package builder
# Copyright (C) 2001,2002,2003,2005-2007 Junichi Uekawa
# Copyright (C) 2007 Loïc Minier
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# module to satisfy build dependencies; common functions
package_versions() {
local PACKAGE="$1"
LC_ALL=C $CHROOTEXEC /usr/bin/apt-cache show "$PACKAGE" | sed -n 's/^Version: //p'
}
candidate_version() {
local PACKAGE="$1"
LC_ALL=C $CHROOTEXEC apt-cache policy "$PACKAGE" | sed -n 's/ *Candidate: //p'
}
checkbuilddep_versiondeps() {
local PACKAGE="$1"
local COMPARESTRING="$2"
local DEPSVERSION="$3"
local PACKAGEVERSIONS=$( package_versions "$PACKAGE" | xargs)
# no versioned provides.
if [ "${FORCEVERSION}" = "yes" ]; then
return 0;
fi
for PACKAGEVERSION in $PACKAGEVERSIONS ; do
if dpkg --compare-versions "$PACKAGEVERSION" "$COMPARESTRING" "$DEPSVERSION"; then
# satisfies depends
return 0;
fi
done
echo " Tried versions: $PACKAGEVERSIONS"
# cannot satisfy depends
return 1;
}
get_source_control_field() {
local field="$1"
sed -n -e "s/^$field://i" -e '
t store
/^-----BEGIN PGP SIGNED MESSAGE-----$/ {
: pgploop
n
/^$/ d
b pgploop
}
/^$/q
d
: store
H
: loop
n
/^#/ b loop
/^[ \t]/ b store
x
# output on single line
s/\n//g
# change series of tabs and spaces into a space
s/[\t ]\+/ /g
# normalize space before and after commas
s/ *, */, /g
# normalize space before and after pipes
s/ *| */ | /g
# normalize space before and after parentheses
s/ *( */ (/g
s/ *) */)/g
# normalize space before and after brackets
s/ *\[ */ [/g
s/ *\] */]/g
# normalize space after exclamation mark
s/! */!/g
# normalize space between operator and version
s/(\(>>\|>=\|>\|==\|=\|<=\|<<\|<\|!=\) *\([^)]*\))/(\1 \2)/g
# normalize space at beginning and end of line
s/^ *//
s/ *$//
p' \
"$DEBIAN_CONTROL"
}
get_build_deps() {
local output
output="`get_source_control_field "Build-Depends"`"
output="${output%, }"
if [ "$BINARY_ARCH" = no ]; then
output="${output:+$output, }`get_source_control_field "Build-Depends-Indep"`"
output="${output%, }"
fi
echo "$output"
}
get_build_conflicts() {
local output
output="`get_source_control_field "Build-Conflicts"`"
if [ "$BINARY_ARCH" = no ]; then
output="${output:+$output, }`get_source_control_field "Build-Conflicts-Indep"`"
fi
echo "$output"
}
# filter out dependencies sent on input not for this arch; deps can have
# multiple lines; output is on a single line or "" if empty
filter_arch_deps() {
local arch="$1"
local INSTALLPKGMULTI
local INSTALLPKG
# split on ","
sed 's/[[:space:]]*,[[:space:]]*/\n/g' |
while read INSTALLPKGMULTI; do
echo "$INSTALLPKGMULTI" |
# split on "|"
sed 's/[[:space:]]*|[[:space:]]*/\n/g' |
while read INSTALLPKG; do
if echo "$INSTALLPKG" | grep -q '\['; then
if checkbuilddep_archdeps "$INSTALLPKG" "$arch"; then
continue
fi
fi
# output the selected package
echo "$INSTALLPKG"
done |
# remove the arch list and add " | " between entries
sed 's/\[.*\]//; $,$! s/$/ |/' |
xargs --no-run-if-empty
done |
# add ", " between entries
sed '$,$! s/$/,/' |
xargs --no-run-if-empty
}
checkbuilddep_archdeps() {
# returns FALSE on INSTALL
local INSTALLPKG="$1"
local ARCH="$2"
# architectures listed between [ and ] for this dep
local DEP_ARCHES="$(echo "$INSTALLPKG" | sed -e 's/.*\[\(.*\)\].*/\1/' -e 'y|/| |')"
local PKG="$(echo "$INSTALLPKG" | cut -d ' ' -f 1)"
local USE_IT
local IGNORE_IT
local INCLUDE
# Use 'dpkg-architecture' to support architecture wildcards.
for d in $DEP_ARCHES; do
if echo "$d" | grep -q '!'; then
d="$(echo $d | sed 's/!//')"
if dpkg-architecture -a$ARCH -i$d; then
IGNORE_IT="yes"
fi
else
if dpkg-architecture -a$ARCH -i$d; then
USE_IT="yes"
fi
INCLUDE="yes"
fi
done
if [ $IGNORE_IT ] && [ $USE_IT ]; then
printf "W: inconsistent arch restriction on $PKG: " >&2
printf "$DEP_ARCHES depedency\n" >&2
fi
if [ $IGNORE_IT ] || ( [ $INCLUDE ] && [ ! $USE_IT ] ); then
return 0
fi
return 1
}
checkbuilddep_provides() {
local PACKAGENAME="$1"
# PROVIDED needs to be used outside of this function.
PROVIDED=$($CHROOTEXEC /usr/bin/apt-cache showpkg $PACKAGENAME \
| awk '{p=0}/^Reverse Provides:/,/^$/{p=1}{if(p && ($0 !~ "Reverse Provides:")){PACKAGE=$1}} END{print PACKAGE}')
}
# returns either "package=version", to append to an apt-get install line, or
# package
versioneddep_to_aptcmd() {
local INSTALLPKG="$1"
local PACKAGE
local PACKAGE_WITHVERSION
local PACKAGEVERSIONS
local CANDIDATE_VERSION
local COMPARESTRING
local DEPSVERSION
PACKAGE="$(echo "$INSTALLPKG" | sed -e 's/^[/]*//' -e 's/[[/(].*//')"
PACKAGE_WITHVERSION="$PACKAGE"
# if not versionned, we skip directly to outputting $PACKAGE
if echo "$INSTALLPKG" | grep '[(]' > /dev/null; then
# package versions returned by APT, in reversed order
PACKAGEVERSIONS="$( package_versions "$PACKAGE" | tac | xargs )"
CANDIDATE_VERSION="$( candidate_version "$PACKAGE" )"
COMPARESTRING="$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*( *\(<<\|<=\|>=\|=\|<\|>>\|>\) *\(.*\)).*$/\1/')"
DEPSVERSION="$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*( *\(<<\|<=\|>=\|=\|<\|>>\|>\) *\(.*\)).*$/\2/')"
# if strictly versionned, we skip to outputting that version
if [ "=" = "$COMPARESTRING" ]; then
PACKAGE_WITHVERSION="$PACKAGE=$DEPSVERSION"
else
# try the candidate version, then all available versions (asc)
for VERSION in $CANDIDATE_VERSION $PACKAGEVERSIONS; do
if dpkg --compare-versions "$VERSION" "$COMPARESTRING" "$DEPSVERSION"; then
if [ $VERSION != $CANDIDATE_VERSION ]; then
PACKAGE_WITHVERSION="$PACKAGE=$VERSION"
fi
break;
fi
done
fi
fi
echo "$PACKAGE_WITHVERSION"
}
print_help() {
# print out help message
cat <<EOF
pbuilder-satisfydepends -- satisfy dependencies
Copyright 2002-2007 Junichi Uekawa <dancer@debian.org>
--help: give help
--control: specify control file (debian/control, *.dsc)
--chroot: operate inside chroot
--binary-all: include binary-all
--binary-arch: include binary-arch only
--echo: echo mode, do nothing. (--force-version required for most operation)
--force-version: skip version check.
--continue-fail: continue even when failed.
EOF
}
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